Hroki, Patron of The Dominion

Hroki, Patron of The Dominion costs {1} less for each card in your hand.
Indestructible
{w/u}{w/u}: Gain 2 Life. Then if you have 30 or more life, put a +1/+1 counter on Hroki, Patron of The Dominion, if you have 40 or more life scry 1, if you have 50 or more life draw a card, if you have 60 or more life you win the game